<?php 

header("Content-type: text/html; charset=utf-8");

		  $abc="我是一个什么东西啊";


		 var_dump($abc);
			echo "<br>";
		 echo "$abc";
			echo "<br>";
		 $a="hello";
		
		 $$a="window";
		  echo "$hello";
		  echo "<br>";

		 $b="我是B1";
		 $$b="我是B2";
		echo "$我是B1";
		 echo "<br>";

		// $zz=$_GET["hushuo"];
		// echo $zz;
		
		 $zz=$_POST["hushuo"];
		echo $zz;

 ?>